A -4.0-C charge is situated at the origin of an xy-coordinate ...

[theo]

A -4.0-C charge is situated at the origin of an xy-coordinate system. Another -4.0 C charge is at y = 4.0 m. What is the electric potential at a point x = 3.0 m due to these two charges?
 
  A) -3600 V
  B) 3600 V
  C) -4800 V
  D) 4800 V
  E) 0 V

Question 2

A ball is thrown horizontally from the top of a building. What will be its vertical displacement from the top of building 2.0 seconds after it leaves your hands?
 
  A) 4.9 m
  B) 9.8 m
  C) 19.6 m
  D) 40.2 m
  E) 52.4 m

[Sophiapenny]

Answer to Question 1

D

Answer to Question 2

C

[theo]

YES! Correct, THANKS for helping me on my review

[komodo7]

Thanks for the timely response, appreciate it